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|
package kong
import (
"context"
"encoding/json"
"errors"
"fmt"
)
// RouteService handles routes in Kong.
type RouteService service
// Create creates a Route in Kong
// If an ID is specified, it will be used to
// create a route in Kong, otherwise an ID
// is auto-generated.
func (s *RouteService) Create(ctx context.Context,
route *Route) (*Route, error) {
if route == nil {
return nil, errors.New("cannot create a nil route")
}
endpoint := "/routes"
method := "POST"
if route.ID != nil {
endpoint = endpoint + "/" + *route.ID
method = "PUT"
}
req, err := s.client.NewRequest(method, endpoint, nil, route)
if err != nil {
return nil, err
}
var createdRoute Route
_, err = s.client.Do(ctx, req, &createdRoute)
if err != nil {
return nil, err
}
return &createdRoute, nil
}
// CreateInService creates a route associated with serviceID
func (s *RouteService) CreateInService(ctx context.Context,
serviceID *string, route *Route) (*Route, error) {
if isEmptyString(serviceID) {
return nil, errors.New("serviceID cannot be nil for creating a route")
}
if route == nil {
return nil, errors.New("cannot create a nil route")
}
r := *route
r.Service = &Service{ID: serviceID}
return s.Create(ctx, &r)
}
// Get fetches a Route in Kong.
func (s *RouteService) Get(ctx context.Context,
nameOrID *string) (*Route, error) {
if isEmptyString(nameOrID) {
return nil, errors.New("nameOrID cannot be nil for Get operation")
}
endpoint := fmt.Sprintf("/routes/%v", *nameOrID)
req, err := s.client.NewRequest("GET", endpoint, nil, nil)
if err != nil {
return nil, err
}
var route Route
_, err = s.client.Do(ctx, req, &route)
if err != nil {
return nil, err
}
return &route, nil
}
// Update updates a Route in Kong
func (s *RouteService) Update(ctx context.Context,
route *Route) (*Route, error) {
if route == nil {
return nil, errors.New("cannot update a nil route")
}
if isEmptyString(route.ID) {
return nil, errors.New("ID cannot be nil for Update operation")
}
endpoint := fmt.Sprintf("/routes/%v", *route.ID)
req, err := s.client.NewRequest("PATCH", endpoint, nil, route)
if err != nil {
return nil, err
}
var updatedRoute Route
_, err = s.client.Do(ctx, req, &updatedRoute)
if err != nil {
return nil, err
}
return &updatedRoute, nil
}
// Delete deletes a Route in Kong
func (s *RouteService) Delete(ctx context.Context, nameOrID *string) error {
if isEmptyString(nameOrID) {
return errors.New("nameOrID cannot be nil for Delete operation")
}
endpoint := fmt.Sprintf("/routes/%v", *nameOrID)
req, err := s.client.NewRequest("DELETE", endpoint, nil, nil)
if err != nil {
return err
}
_, err = s.client.Do(ctx, req, nil)
return err
}
// List fetches a list of Routes in Kong.
// opt can be used to control pagination.
func (s *RouteService) List(ctx context.Context,
opt *ListOpt) ([]*Route, *ListOpt, error) {
data, next, err := s.client.list(ctx, "/routes", opt)
if err != nil {
return nil, nil, err
}
var routes []*Route
for _, object := range data {
b, err := object.MarshalJSON()
if err != nil {
return nil, nil, err
}
var route Route
err = json.Unmarshal(b, &route)
if err != nil {
return nil, nil, err
}
routes = append(routes, &route)
}
return routes, next, nil
}
// ListAll fetches all Routes in Kong.
// This method can take a while if there
// a lot of Routes present.
func (s *RouteService) ListAll(ctx context.Context) ([]*Route, error) {
var routes, data []*Route
var err error
opt := &ListOpt{Size: pageSize}
for opt != nil {
data, opt, err = s.List(ctx, opt)
if err != nil {
return nil, err
}
routes = append(routes, data...)
}
return routes, nil
}
// ListForService fetches a list of Routes in Kong associated with a service.
// opt can be used to control pagination.
func (s *RouteService) ListForService(ctx context.Context,
serviceNameOrID *string, opt *ListOpt) ([]*Route, *ListOpt, error) {
data, next, err := s.client.list(ctx,
"/services/"+*serviceNameOrID+"/routes", opt)
if err != nil {
return nil, nil, err
}
var routes []*Route
for _, object := range data {
b, err := object.MarshalJSON()
if err != nil {
return nil, nil, err
}
var route Route
err = json.Unmarshal(b, &route)
if err != nil {
return nil, nil, err
}
routes = append(routes, &route)
}
return routes, next, nil
}
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